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Vegetarian diets, defined as being devoid of flesh foods (such as meat, poultry, wild game, seafood, and their products), are followed by a growing number of people worldwide because of ethical, health, and environmental reasons.1 Vegetarian diets include a variety of plant-based foods such as grains, legumes, nuts and seeds, fruits, and vegetables, and may or may not include dairy products and eggs. Vegan diets exclude all animal foods.
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Baroni et al. (2018) studied this question.
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